<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>demo1-show</title>
</head>
<body>
    <p>这是一个空的html,没有css,js，等打包后 js和css就有了</p>
    <div id="app"></div>
</body>
</html>